81960435

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1433}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 150329088

約数和(自身を除く): 68368653

約数列:

[1, 3, 5, 9, 15, 31, 41, 45, 93, 123, 155, 205, 279, 369, 465, 615, 1271, 1395, 1433, 1845, 3813, 4299, 6355, 7165, 11439, 12897, 19065, 21495, 44423, 57195, 58753, 64485, 133269, 176259, 222115, 293765, 399807, 528777, 666345, 881295, 1821343, 1999035, 2643885, 5464029, 9106715, 16392087, 27320145, 81960435]

約数ペア:

[(1, 81960435), (3, 27320145), (5, 16392087), (9, 9106715), (15, 5464029), (31, 2643885), (41, 1999035), (45, 1821343), (93, 881295), (123, 666345), (155, 528777), (205, 399807), (279, 293765), (369, 222115), (465, 176259), (615, 133269), (1271, 64485), (1395, 58753), (1433, 57195), (1845, 44423), (3813, 21495), (4299, 19065), (6355, 12897), (7165, 11439)]